Home / 482,362.16-723,577.05-145,405.58

Finding the Fourth Proportional to 482,362.16, 723,577.05 and 145,405.58

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Solution

The fourth proportional to 482,362.16, 723,577.05 and 145,405.58 is: 218,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,362.16 : 723,577.05 = 145,405.58 : x
  2. Step 2: Convert to fraction form
    482,362.16/723,577.05 = 145,405.58/x
  3. Step 3: Cross multiply
    482,362.16x = 723,577.05 × 145,405.58
  4. Step 4: Simplify right side
    482,362.16x = 105,212,137,012.05
  5. Step 5: Solve for x
    x = 105,212,137,012.05/482,362.16
  6. Step 6: Final answer
    x = 218,118.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.